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Finding the Fourth Proportional to 341,338.84, 471,176.58 and 256,700.20

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Solution

The fourth proportional to 341,338.84, 471,176.58 and 256,700.20 is: 354,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,338.84 : 471,176.58 = 256,700.20 : x
  2. Step 2: Convert to fraction form
    341,338.84/471,176.58 = 256,700.20/x
  3. Step 3: Cross multiply
    341,338.84x = 471,176.58 × 256,700.20
  4. Step 4: Simplify right side
    341,338.84x = 120,951,122,321.32
  5. Step 5: Solve for x
    x = 120,951,122,321.32/341,338.84
  6. Step 6: Final answer
    x = 354,343.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.